Answer:
The correct option is A.
Step-by-step explanation:
Line A and B are parallel lines.
....(1) (Alternate exterior angles)
(Supplementary angles)
The value of x is 15.
Put this value in equation (1).
Therefore measures of angle 1 is 45° and option A is correct.
Answer:
58
Step-by-step explanation:
20+12= 32
it is a 90 degree angle so
90-32=58
58 is closest to 60
Answer:
3.4
Step-by-step explanation:
3.4+3.4= 6.8
10.2-6.8=3.4
Answer: 55.488 or 55 61/125
Step-by-step explanation:
Because I used a calculator so I know this is right.